Home / 14,091.07-19,441.27-8,121.93

Finding the Fourth Proportional to 14,091.07, 19,441.27 and 8,121.93

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Solution

The fourth proportional to 14,091.07, 19,441.27 and 8,121.93 is: 11,205.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,091.07 : 19,441.27 = 8,121.93 : x
  2. Step 2: Convert to fraction form
    14,091.07/19,441.27 = 8,121.93/x
  3. Step 3: Cross multiply
    14,091.07x = 19,441.27 × 8,121.93
  4. Step 4: Simplify right side
    14,091.07x = 157,900,634.05
  5. Step 5: Solve for x
    x = 157,900,634.05/14,091.07
  6. Step 6: Final answer
    x = 11,205.72

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.